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TC1631R/S
User's Manual
Rev. 1.6
Appendix B
Electrical Signal Cable Connection
The user's device may have a DB15 or RJ45 connector. The following connection diagrams illustrate the
signal flow direction and pin assignments typically used with these connectors.
Note: The polarity of the T1/E1 signal is bipolar, independent of the polarity. Polarity is shown for reference
only.
Figure 9. DB15 Connection Diagram
Figure 10. RJ45 Connection Diagram
Note: Pins 7, 8, 12, 14 and 15 are not used on the DB15 connector. Pins 5, 6, 10 and 13 are reserved for Telco use.
Note: Pins 3 and 6 are not used on the RJ45 connector. Pins 7 and 8 are used for optional shield connections.
(Transmit to Network)
User's Device
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
DB15 Connector
(Transmit to Network)
(Receive from Network)
(Receive from Network)
TC1631
Terminal Block
Connectors
IN
OUT
(Transmit to Network)
TC1631
Terminal Block
Connectors
User's Device
1
2
3
4
5
6
7
8
RJ45 Connector
(Transmit to Network)
(Receive from Network)
(Receive from Network)
IN
OUT
